run the slots

Reference Guide

Slot Machine Trigger Value List

A comprehensive reference table of AP trigger values, mechanic types, and scouting signals for the top 30 advantage play slot machines. Use this list to identify positive-EV entry conditions on the casino floor before you sit down.

How to Use This Reference

This list gives you a fast-reference framework for identifying AP entry conditions on the casino floor. Before entering any property, review the machines you expect to encounter and note their mechanic type and AP signal. During your floor walk, match idle machines to their entry in this list and apply the corresponding scouting check.

The table covers four columns: Machine (title as on cabinet), Mechanic Type (AP mechanic classification), AP Signal (observable condition indicating potential positive-EV entry), and a guide link where available.

Threshold ranges are denomination-specific. Every trigger value in this list varies by denomination. The Buffalo Link ~1,610+ counter benchmark applies to the specific denomination configuration. Do not apply dollar-denomination threshold values to penny-denomination machines or vice versa.

Understanding the Four Mechanic Types

Every AP-viable slot machine falls into one of four mechanic categories. The category determines how you calculate the edge and what you look for on your floor walk.

1. Accumulator (Threshold)

Count or dollar value builds toward a fixed threshold. State persists between players. AP entry when cost-to-trigger is below expected bonus payout. Examples: Buffalo Link (~1,610+ counter), Huff N' Puff (coins near ceiling), Cash Falls (loaded tray), Wild Lepre'coins, Timber Wolf.

2. Random Progressive (Elevated Meter)

Jackpot grows on random schedule with no guaranteed ceiling. AP entry when meter is significantly above denomination-specific reset value. Examples: Lightning Link, Dragon Link, Lock It Link, Money Link. These are NOT must-hit-by jackpots.

3. Must-Hit-By (Published Range)

Jackpot guaranteed to pay before published ceiling. AP entry when meter is within published MHB range near ceiling. Ainsworth machines only among major manufacturers. NOT applicable to Aristocrat hold-and-spin titles.

4. Hybrid (Accumulator + Progressive)

Both persistent accumulator state AND random progressive meter. Both AP edges active simultaneously and additive in the EV model. Examples: Dollar Storm, Fu Dai Lian Lian, Golden Century, Mighty Cash.

The Trigger Value Reference Table

30 machines. Values marked with “~” are approximate benchmarks; exact denomination-specific values are in subscriber guides.

Machine	Manufacturer	Mechanic	AP Signal / Threshold
Buffalo Link	Aristocrat	Persistent reel counter	Counter ~1,610+ above 5th reel
Huff N Puff	Light & Wonder	Coin accumulator (ceiling)	Coins near ceiling threshold
Ainsworth MHB (all tiers)	Ainsworth	True must-hit-by mystery jackpot	Meter within published MHB range near ceiling
Dollar Storm	SG / LnW	Hold-and-spin + coin tray + random progressive	Elevated Minor + loaded coin tray
Cash Falls	Konami	Coin tray accumulator	Tray value 2x+ above min bet per spin
Lightning Link	Aristocrat	Hold-and-spin + random progressive	Minor 3x+ above reset (NOT must-hit-by)
Dragon Link	Aristocrat	Hold-and-spin + random progressive	Minor 3x+ above reset (NOT must-hit-by)
Lock It Link	SG / LnW	Hold-and-spin + random progressive	Elevated Minor above denomination reset (NOT must-hit-by)
Ultimate Fire Link	Incredible Technologies	Fire ball accumulator	Fire ball count near ceiling threshold
Money Link	Aristocrat	Hold-and-spin + random progressive	Elevated Minor above denomination reset
Dancing Drums	SG / LnW	Coin accumulator + random progressive	Elevated Minor + loaded drum accumulator state
Wonder 4	Aristocrat	Multi-game hold-and-spin + random progressive	Elevated Minor across active game configurations
Mighty Cash	Light & Wonder	Hold-and-spin + cash accumulator	Loaded cash symbol state + elevated Minor
Wild Lepre'coins	IGT	Coin count accumulator	Coin count near threshold
Fu Dai Lian Lian	Bally / LnW	Coin tray + random progressive	Loaded tray + elevated Minor (check each denom separately)
Golden Century	SG / LnW	Dragon sphere accumulator + random progressive	Sphere count near ceiling + elevated Minor
Timber Wolf	Aristocrat	Wolf pack count accumulator	Wolf pack count near ceiling
Fortune Coin	IGT	Progressive jackpot	Progressive meter at 2x+ above reset
Phoenix Link	Light & Wonder	Hold-and-spin + random progressive	Elevated Minor + loaded state
Jin Ji Bao Xi	SG / LnW	Gold coin accumulator + random progressive	Elevated Minor + accumulator state
Ocean Magic	IGT	Bubble accumulator	Bubble count near ceiling threshold
Buffalo Ascension	Aristocrat	Progressive + hold-and-spin	Elevated progressive across denominations
88 Fortunes	SG / LnW	Random progressive	Minor/Major elevated above reset
Diamond Collector	IGT	Diamond count accumulator	Diamond count near ceiling
Quick Hit Ultra Pays	SG / LnW	Progressive + hold-and-spin	Elevated Minor/Major progressive
Ascending Fortunes	Aristocrat	Progressive + accumulator	Elevated progressive + loaded state
Wolf Run Eclipse	IGT	Random progressive	Elevated primary progressive tier
5 Treasures	Aristocrat	Hold-and-spin + random progressive	Elevated Minor jackpot meter
Piggy Bankin'	WMS / SG	Piggy bank accumulator	Bank value near crack-the-bank threshold
Jurassic Park Trilogy	IGT	Multi-level progressive	Elevated primary progressive tier

Accumulator Machines in Detail

Accumulator machines are the most transparent AP plays because the machine state is directly observable without inserting money. Key variables for any accumulator play: current state, distance to threshold, cost per unit at this denomination, and bonus payout at threshold.

Buffalo Link is the most precisely documented accumulator. The persistent counter above the fifth reel is a numeric display, making the AP calculation more exact than machines using a fill-bar graphic. The documented AP entry benchmark of ~1,610+ on the counter is based on the relationship between counter advancement cost and the bonus payout structure at the denomination. See the Buffalo Link strategy guide for the full entry calculation framework.

Huff N' Puff uses a coin ceiling accumulator. When the accumulator appears 75%+ full on an idle machine, the cost-to-ceiling may be below the expected bonus payout. See the Huff N' Puff strategy guide for denomination-specific analysis.

Other notable accumulators in the table: Cash Falls (dollar-value tray readable from attract mode), Ultimate Fire Link (fire ball count near ceiling), Wild Lepre'coins (IGT coin count threshold), and Timber Wolf (wolf pack count progress display). All share the same structural AP principle: find machines where prior-player investment loaded the count, enter where cost-to-threshold is below expected payout, collect the bonus, exit.

Progressive Jackpot Machines in Detail

Critical: do not confuse random progressives with must-hit-by. Lightning Link, Dragon Link, Lock It Link, Money Link, Dollar Storm, Dancing Drums, and Phoenix Link are ALL random progressives with NO published ceiling. An elevated Minor is an AP signal based on above-average payout potential, NOT a guarantee the machine is about to pay. Anyone claiming these titles have must-hit-by values is factually incorrect.

The correct framework: identify the denomination-specific reset value for the primary tier. When the displayed meter is at 2x or more above reset, session EV for that tier is above baseline. Use the EV calculator and multi-tier progressive calculator to model sessions before entering.

Must-Hit-By Machines in Detail

Ainsworth machines are the primary must-hit-by AP opportunity among major manufacturers. Each MHB tier has a documented range within which the jackpot is guaranteed to pay. When the meter is within the range and close to the ceiling, the jackpot is guaranteed to pay before the maximum is reached — creating near-certainty AP math: you are calculating cost-to-maximum rather than estimating probability of a random event.

Use the must-hit-by calculator for Ainsworth tier analysis. Input the current meter reading, the published MHB range ceiling, and cost per spin. The calculator produces the maximum cost-to-trigger and confirms whether a positive-EV entry exists. Ainsworth MHB ranges are published in the subscriber guide indexed by machine title and tier.

Floor Walk Protocol

A structured floor walk using this trigger value list produces the highest AP hit rate per hour of floor time. Use this five-step protocol on every casino visit:

Pre-walk preparation. Review this list for machines at your target property. Note mechanic type and AP signal. Know denomination-specific reset values from subscriber guides before walking in.
Prioritize idle machines. An idle machine with an elevated AP signal means no one is currently consuming coin-in on that state. These are first-priority evaluation targets.
Read before inserting. For every machine on this list, the AP signal is observable without inserting money. Coin tray values, fire ball counts, wolf pack counts, and progressive meter readings are visible during attract mode.
EV calculation before entry. Identify the AP signal, estimate the entry threshold, and run the EV calculation using the EV calculator before sitting down. Never enter based on signal alone.
Track and repeat. Record machines with strong signals that were occupied or not yet at entry threshold. Return on subsequent circuits. Patterns in which machines load up and how fast they are played down improve your scouting efficiency over time.

Run the Slots Members

Access all 200+ machine guides with denomination-specific trigger values, reset thresholds, EV entry calculations, and Ainsworth MHB range tables for every machine in this list.

View Machine Guides

Frequently Asked Questions

What is a slot machine trigger value?+

A slot machine trigger value is the threshold at which an accumulated machine state becomes positive EV for an advantage player. On accumulator machines, the trigger value is the point where the inherited accumulated state is large enough that the cost to push the accumulator over its payout threshold is less than the expected bonus payout. On must-hit-by jackpot machines, the trigger value is the range near the published jackpot ceiling where the guaranteed payout exceeds the cost to wait for it. On progressive jackpot machines, the trigger value is the meter reading at which the elevated payout justifies the coin-in cost.

What is the Buffalo Link AP trigger value?+

Buffalo Link uses a true persistent counter displayed above the fifth reel. The counter increments with each spin and persists between players. The AP entry trigger for Buffalo Link is approximately 1,610+ on the persistent counter -- at this level, the cost to complete the remaining counter cycles to the bonus trigger is less than the expected bonus payout at the denomination being played. The 1,610+ figure is a general AP entry benchmark; exact entry thresholds vary by denomination and cabinet configuration.

What is the Huff N Puff AP trigger signal?+

Huff N Puff uses a coin accumulator displayed on screen. The AP signal is a coin count near the ceiling. The specific ceiling value and coin-near-ceiling threshold are denomination-specific. When the coin accumulator is in the upper range of its capacity and the machine is idle, the cost to push it over the ceiling is potentially less than the bonus payout.

What are Ainsworth must-hit-by jackpot trigger ranges?+

Ainsworth machines use true must-hit-by mystery jackpots. Each MHB tier has a documented range and the jackpot is guaranteed to pay somewhere within that range. When the displayed meter reading is within the must-hit-by range and close to the top, the jackpot is guaranteed to pay before the ceiling is reached. This creates a near-certainty AP opportunity structurally distinct from random progressive jackpots. Ainsworth MHB trigger ranges are documented by tier in subscriber guides.

Are Lightning Link, Dragon Link, and Lock It Link must-hit-by jackpots?+

No. Lightning Link, Dragon Link, and Lock It Link are NOT must-hit-by jackpots. These Aristocrat titles use random progressive mechanics with no published ceiling. There is no point at which the machine is guaranteed to pay. An elevated Minor or Major meter is an AP signal based on above-average payout potential -- not a guarantee the machine is about to pay. Confusing these titles with must-hit-by jackpots is one of the most common errors in slot machine advantage play.

How do I use this trigger value list on the casino floor?+

Before entering the casino, review the mechanic types and AP signals for the machines you expect to find. During your floor walk, match idle machines to their entry in this list and check the relevant scouting signal: counter reading for accumulator machines, meter reading versus reset for progressive machines, or position within the published range for Ainsworth MHB machines. Machines where the scouting signal is positive warrant an EV calculation before you sit down.

Why do trigger values differ by denomination?+

Trigger values differ by denomination because the underlying dollar economics scale with the denomination. A coin tray showing $20 accumulated is a different AP calculation at the penny denomination versus the dollar denomination. For accumulator machines, the trigger threshold may also be configured differently by denomination. Always apply denomination-specific trigger values rather than using a single number across all configurations.

What is the difference between an accumulator AP and a progressive AP?+

An accumulator AP derives its edge from a persistent machine state that one player loads and another inherits. Examples include Buffalo Link (persistent counter ~1,610+), Huff N Puff (coin accumulator near ceiling), and Cash Falls (coin tray). A progressive AP derives its edge from a jackpot meter that has grown above its denomination-specific baseline. Examples include Lightning Link (elevated Minor) and Ainsworth MHB (meter within guaranteed range). Some machines offer both types of edge simultaneously.

Run the Slots.